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This 1978 Porsche 911SC was sold new at Desert VW in Palm Springs, California and reportedly received a Turbo-style widebody conversion early in its life. Finished in Grand Prix White over black, the car is equipped with sport seats, a power sunroof, and 16″ 2-piece wheels. The seller has added about 3,000 of the 57k indicated miles since he purchased this 911 in 2003. The 3.0L flat-six is paired with a 5-speed manual transaxle, and an engine-out service in December 2017 included a new oil pressure sender and oil cooler seal, as well as many new gaskets and O-rings. This 911SC is now offered with original purchase documents, a stamped service booklet, maintenance records, and a clean Utah title in the seller’s name.

The body is finished in Grand Prix White (908), and the steel rear quarters, flared front fenders, bumpers, and tea tray deck lid are similar to what was found on the contemporary 930 Turbo. These items were reportedly added when the car was new. Unique 2-piece 16″ disc wheels feature ceramic-coated centers and Porsche crest center caps. They wear Kumho Ecsta RSX tires with 2011 date codes. The rear deck lid shows slight misalignment and features a Turbo script badge.

The car has reportedly been kept in climate-controlled storage during the seller’s 15 years of ownership. Bilstein shocks and a power sunroof were among the original options, and a wiper and mobile phone antenna can be seen on the rear window. H4 headlights have been added and a few chips and touch ups can be seen around the front bumper, which features headlight washers.

A period air-conditioning system was likely a dealer addition and has not been converted to R134. Other modifications include a Momo steering wheel, Momo pedal covers, white gauge faces, and an Alpine cassette deck. The speedometer was replaced by Desert Porsche under original ownership according to a stamp in the warranty booklet. 57,661 miles are shown on the 6-place odometer, around 3k of which have been added by the seller in 15 years of driving.

Manually-adjusted sport seats are trimmed in leather, which shows cracking and abrasions along the bolsters and piping.

The 3.0L flat-six is paired with a 5-speed manual transaxle and produced 180 horsepower at 5,500 rpm and 175 lb-ft of torque at 4,200 rpm when new. The engine stamping number can be seen in the gallery, though a corresponding number was not recorded in the warranty booklet.

An engine-out service was performed in late 2017 at independent specialty shop Utah Imports of Salt Lake City. $6,400 in work included new top end, crankcase, and exhaust seals, as well as replacement of the spark plugs, hoses, fluids, and more. An excerpt from the service invoice can be seen in the gallery below.

A number of additional underside images have been provided in the gallery.

The owner’s manual and a stamped service booklet are included, documenting regular service up to 1988 under the original owner in Palm Springs, California, as well as the second owner’s purchase in 1992.

Factory options and equipment can be seen on the original window sticker, which displays a 1978 purchase price of $21k. A folder of service records pictured in the gallery is said to contain receipts from previous owners and the seller. A walk-around video can be viewed below.